Geology 404C Plate Tectonics & Earth History Outline 5

Geology 404C Plate Tectonics & Earth History...

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Unformatted text preview: Outline 5 2/5/03 Sedimentary part of the Rock Cycle What happens when rocks get to the Earth's surface Weathering and Erosion - Physical breakdown - breakage, decrease in (source area) particle size, rounding, sorting (Goldich) - Chemical breakdown - leaching of (Weathering) cations (Ca ++ , Mg ++ ) and anions (Series) (SO 4 = , CO 3 = ) Transport of detrital (clastic) particles in a moving fluid (air, water, ice) or ions in solution (water) Decrease in grain size, grouping of particles by size Deposition by transporting agent - particles - decrease in velocity, settling out by size...
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This note was uploaded on 05/05/2011 for the course GEO 404c taught by Professor Staff during the Spring '08 term at University of Texas at Austin.

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Geology 404C Plate Tectonics & Earth History...

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